What is PST in KST?
Korea Standard Time is 16 hours ahead
Pacific Time is on UTC−7:00 and Korea Standard Time is on UTC+9:00 right now. Pacific Time is on daylight saving, so its clocks read PDT. The gap changes during the year — see below.
- Time in Los Angeles
- 8:47 pm
- Time in Seoul
- 12:47 pm
- Difference
- +16 h
- Next clock change
- November 1, 2026
Convert a time
KST — Korea Standard Time
12:00 pm
Wed, the next day
When the difference changes
Pacific Time and Korea Standard Time do not change their clocks on the same dates, so the gap between them is not the same all year. Most converters show only today’s figure. These are the periods ahead:
- Now – November 1, 2026Korea Standard Time is 16 hours ahead
- November 1, 2026 – March 14, 2027Korea Standard Time is 17 hours ahead
- March 14, 2027 – onwardsKorea Standard Time is 16 hours ahead
Periods shorter than a day are not listed: both zones change at 2am in their own local time, so there are a few hours on each transition date when the gap is briefly something else.
Daylight saving
Pacific Time
Clocks go back one hour at 2am local time, becoming PST.
Korea Standard Time
Korea Standard Time stays on KST all year, so its offset from UTC never moves.
PST to KST conversion table
Every hour of Tuesday, September 22, 2026, converted from Pacific Time to Korea Standard Time. 16 of the 24 hours fall on a different calendar day in Seoul, which is marked.
- 12:00 am PDT
- 4:00 pm KST
- 1:00 am PDT
- 5:00 pm KST
- 2:00 am PDT
- 6:00 pm KST
- 3:00 am PDT
- 7:00 pm KST
- 4:00 am PDT
- 8:00 pm KST
- 5:00 am PDT
- 9:00 pm KST
- 6:00 am PDT
- 10:00 pm KST
- 7:00 am PDT
- 11:00 pm KST
- 8:00 am PDT
- 12:00 am KST+1 day
- 9:00 am PDT
- 1:00 am KST+1 day
- 10:00 am PDT
- 2:00 am KST+1 day
- 11:00 am PDT
- 3:00 am KST+1 day
- 12:00 pm PDT
- 4:00 am KST+1 day
- 1:00 pm PDT
- 5:00 am KST+1 day
- 2:00 pm PDT
- 6:00 am KST+1 day
- 3:00 pm PDT
- 7:00 am KST+1 day
- 4:00 pm PDT
- 8:00 am KST+1 day
- 5:00 pm PDT
- 9:00 am KST+1 day
- 6:00 pm PDT
- 10:00 am KST+1 day
- 7:00 pm PDT
- 11:00 am KST+1 day
- 8:00 pm PDT
- 12:00 pm KST+1 day
- 9:00 pm PDT
- 1:00 pm KST+1 day
- 10:00 pm PDT
- 2:00 pm KST+1 day
- 11:00 pm PDT
- 3:00 pm KST+1 day
Scheduling between the two
Working hours overlap from 5:00 pm to 6:00 pm PDT, which is 9:00 am to 10:00 am KST. Anything inside that window falls in the normal working day at both ends.
Pacific Time (PDT) is used in San Francisco, Seattle, Las Vegas and Vancouver